Core drill for perforating stone



FIG. 1 is a front elevation view of a core drill for perforating stone showing my new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a perspective view thereof.

A right side elevation view thereof is omitted since it is the same one as a left side elevation view. 

The ornamental design for a core drill for perforating stone, as shown and described. 